src/gmxlib/selection/scanner.h

   1 /*
   2  *
   3  *                This source code is part of
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   7  *          GROningen MAchine for Chemical Simulations
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  11  * Copyright (c) 2001-2009, The GROMACS development team,
  12  * check out http://www.gromacs.org for more information.
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  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
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  31 /*! \internal \file
  32  * \brief
  33  * Parser/scanner interaction functions.
  34  *
  35  * This is an implementation header: there should be no need to use it outside
  36  * this directory.
  37  */
  38 #ifndef SELECTION_SCANNER_H
  39 #define SELECTION_SCANNER_H
  40
  41 #include "parser.h"
  42
  43 struct gmx_ana_selcollection_t;
  44
  45 #ifndef YY_TYPEDEF_YY_SCANNER_T
  46 #define YY_TYPEDEF_YY_SCANNER_T
  47 typedef void *yyscan_t;
  48 #endif
  49
  50 /** Initializes the selection scanner. */
  51 int
  52 _gmx_sel_init_lexer(yyscan_t *scannerp, struct gmx_ana_selcollection_t *sc,
  53                     bool bInteractive);
  54 /** Frees memory allocated for the selection scanner. */
  55 void
  56 _gmx_sel_free_lexer(yyscan_t scanner);
  57 /** Returns TRUE if the scanner is interactive. */
  58 bool
  59 _gmx_sel_is_lexer_interactive(yyscan_t scanner);
  60 /** Returns the selection collection for the scanner. */
  61 struct gmx_ana_selcollection_t *
  62 _gmx_sel_lexer_selcollection(yyscan_t scanner);
  63 /** Returns a pretty string of the current selection.  */
  64 const char *
  65 _gmx_sel_lexer_pselstr(yyscan_t scanner);
  66 /** Clears the current selection string.  */
  67 void
  68 _gmx_sel_lexer_clear_pselstr(yyscan_t scanner);
  69 /** Notifies the scanner that a complete method expression has been parsed. */
  70 void
  71 _gmx_sel_finish_method(yyscan_t scanner);
  72 /** Initializes the scanner to scan a file. */
  73 void
  74 _gmx_sel_set_lex_input_file(yyscan_t scanner, FILE *fp);
  75 /** Initializes the scanner to scan a string. */
  76 void
  77 _gmx_sel_set_lex_input_str(yyscan_t scanner, const char *str);
  78
  79 /** The scanning function generated by Flex. */
  80 int
  81 _gmx_sel_yylex(YYSTYPE *yylval, yyscan_t yyscanner);
  82 #define YY_DECL int _gmx_sel_yylex(YYSTYPE *yylval, yyscan_t yyscanner)
  83
  84 #endif